PrismJS/prism

Dead simple Include prism.css and prism.js, use proper HTML5 code tags (code.language-xxxx), done! Intuitive Language classes are inherited so you can only define the language once for multiple code snippets. Light as a feather The core is 2KB minified & gzipped. Languages add 0.3-0.5KB each, themes are around 1KB. Blazing fast Supports parallelism with Web Workers, if available. Extensible Define new languages or extend existing ones. Add new features thanks to Prism’s plugin architecture.